From what I've been seeing in the basic design of some newer radios on
my repair bench, tin whiskers is the LEAST of your worries regarding
longevity! One only needs to research the problems of the TS2000 and
the IC 746pro to realize there are some real service/design issues out
there.
Curt
KU8L
On 11/1/2011 7:47 AM, Bob Spooner wrote:
Ron,
Vintage radios were made with regular leaded solder so they don't have that
problem (unless you repair them with lead free solder.) It's the new rigs
that I'm concerned about. Tin whisker growth under surface mount components
would be very difficult to detect and remove. So keep your vintage Drake
radios operational and you won't be without a rig if the new one fails.
73,
Bob AD3K
-----Original Message-----
From: [email protected] [mailto:[email protected]]
On Behalf Of Ron
Sent: Monday, October 31, 2011 6:46 PM
To: [email protected]
Subject: [Drakelist] OT a failure mode of solid state electronics
All,
I was tooling around the web and ran into this video and document. For
those unfamiliar, the new lead free solder often has a higher tin content
and can causes tin whisker growth issues. Who knows when it might strike
your beloved solid state or hybrid vintage radio. Maybe we should all
return to hollow state :-)
http://www.vintage-radio.info/whiskers/
Totally amazing IMO.
73,
Ron WD8SBB
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